"My personal challenge for 2018 has been to fix the most important issues facing Facebook -- whether that's defending against election interference by nation states, protecting our community from abuse and harm, or making sure people have control of their information,"

The redesign comes at a time when Facebook is embroiled in a widening scandal after reports that British data firm Cambridge Analytica had improperly gathered detailed Facebook information on 87 million users, up from a previous estimate of more than 50 million.